Tetra 5 In 1 Easy Strips Chart. The tetra marine 5 in 1 test strips allows accurate readings within minutes, just dip the tetra test stip into the water for 1 second. The tetra 5 in 1 marine test strips tests five of the most important parameters of seawater in one quick and easy step.

All you do is dip the strip in your aquarium water for 1 second and lay it on a flat surface, wait 60 seconds then compare it to the chart that is attached to the bottle the strips come in. The tetra 5 in 1 marine test strips tests five of the most important parameters of seawater in one quick and easy step. The tetra marine 5 in 1 test strips allows accurate readings within minutes, just dip the tetra test stip into the water for 1 second.